Pre-painting equipment for metal door production

By designing pre-painted equipment for metal door production and using tooth, gears and motor drive placement frames, the rapid fixation and angle adjustment of metal facades are achieved, and the problem of inefficient grinding in the prior art is solved, which reduces workers' labor intensity and improves cleanliness and grinding efficiency.

CN223084497UActive Publication Date: 2025-07-11SHENYANG CENTURY WEIYE STEEL STRUCTURE CO LTD
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Patent Information

Application Number
CN202421848313.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-01
Publication Date
2025-07-11
Estimated Expiration
2034-08-01

AI Technical Summary

Technical Problem

During the production process of existing metal doors, the grinding of the metal facade requires manual fixation, making it difficult to quickly adjust the angle, resulting in high labor intensity and low efficiency.

Method used

A pre-painted equipment for metal door production is designed, using tooth, gear, movable rack, motor and other components. The height and position of the placement rack are controlled through motor drive, combined with belt transmission and scraper to collect debris, reduce the working strength of workers and improve grinding efficiency.

Benefits of technology

It realizes rapid fixing and angle adjustment of metal door panels, reduces workers' labor intensity, improves grinding efficiency and cleanliness, and reduces the workload of manually cleaning waste chips.

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Abstract

The utility model discloses metal door production pre-painting equipment which comprises a workbench, a motor is fixedly installed at one end of the workbench, a first rotating shaft is fixedly installed at one end of the motor, a pressing plate is fixedly installed at one end of a threaded rod, and a cleaning assembly for collecting and cleaning waste is fixedly installed in the workbench. Relates to the field of metal door production. Through the arrangement of the teeth, the gear, the scraping plate, the placing frame and other parts, when a worker uses the equipment, the whole height of the placing frame can be controlled only by driving the motor to rotate forwards or overturn, the worker is helped to quickly fix a metal door panel in the placing frame, the applicability of the equipment is improved, the working intensity of the worker is reduced, and the labor intensity of the worker is reduced. And after polishing is completed, when the whole device is reset, the scraping plate is driven by the belt to move, chippings generated by polishing are collected, and workers can conveniently collect or clean the chippings.
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Description

Technical Field

[0001] The utility model relates to the field of metal door production, in particular to a pre-painting device for metal door production. Background Technique

[0002] With the improvement of the metal door production process, metal doors are gradually widely used. Metal doors have many advantages, including not being easy to rust, being easy to process, being suitable for large-scale industrial production, having a relatively low price, being light in weight, being convenient to carry, having a fast installation progress, being able to be made into very complex cross-sections and structures, and being able to be specially adapted.

[0003] During the production process of metal doors, the end faces of the metal door surfaces need to be polished to provide conditions for subsequent painting. Most of the existing polishing methods are that workers use hand-held pneumatic grinders to polish the door surfaces. Workers place and fix the metal doors on the end face of the workbench. To ensure their stability during the polishing process, most of them use a fixed method to fix the door surface on the end face of the workbench, making it difficult to quickly adjust the angle during the polishing process, and only the upper surface of the metal door can be polished, resulting in high labor intensity and low efficiency. Content of the Utility Model

[0004] Based on this, the purpose of the present utility model is to provide a pre-painting device for metal door production to solve the technical problems mentioned in the above background technique.

[0005] To achieve the above purpose, the present utility model provides the following technical solution: A pre-painting device for metal door production, including a workbench. One end of the workbench is fixedly installed with a motor, and one end of the motor is fixedly installed with a first rotating shaft. One end of the first rotating shaft is fixedly installed with a gear, and an activity frame is movably installed inside the workbench. A tooth is fixedly installed inside the activity frame and meshes with the gear. A second rotating shaft is movably installed inside the activity frame, and one end of the second rotating shaft is fixedly installed with a placing frame. A threaded rod is movably installed inside the placing frame, and a thread groove matching the threaded rod is opened inside the placing frame. One end of the threaded rod is fixedly installed with a pressing plate. A cleaning component for collecting and cleaning waste is fixedly installed inside the workbench.

[0006] By adopting the above technical solution, by providing components such as teeth, gears, movable frames, motors, scrapers and placement frames, when workers use this equipment, they only need to drive the motor to rotate forward or reverse to control the overall height of the placement frame, which helps workers quickly fix the metal door panel inside the placement frame, reduces the height that workers need to lift it as a whole, and can adjust the overall height of the placement frame according to the height and preferences of the user, improving the applicability of the equipment and reducing the working intensity of workers. And after the grinding is completed, when the whole is reset, the scraper is driven to move through the belt to collect the debris generated by grinding, which is convenient for workers to collect or clean it, improves the overall cleanliness of the workbench, saves the workers from manually cleaning it later, and at the same time, the workers can adjust the overall position of the placement frame at any time by rotating the overall position of the second rotating shaft, which is convenient for workers to grind the whole metal door surface, improves the overall grinding efficiency, and effectively reduces the working intensity of workers.

[0007] The present utility model is further configured such that the cleaning assembly includes a through hole, a belt, a fixed frame, a storage box, a reciprocating lead screw, a limiting rod, a scraper and a discharge port. A fixed frame is fixedly installed at one end of the workbench, and a reciprocating lead screw is movably installed inside the fixed frame. A belt is sleeved outside the reciprocating lead screw, and the first rotating shaft and the reciprocating lead screw are connected by the belt.

[0008] By adopting the above technical solution, the workbench provides support and fixation for the fixed frame. The movably installed reciprocating lead screw enables it to rotate inside the fixed frame, thereby providing a power source for the subsequent movement of the scraper. The belt connects the reciprocating lead screw and the first rotating shaft to drive it, eliminating the need to add a new power source to drive the reciprocating lead screw to rotate.

[0009] The present utility model is further configured such that two groups of scrapers are movably installed at one end of the reciprocating lead screw, and the threads provided on the end face of the reciprocating lead screw are respectively left-handed and right-handed. A limiting rod for restricting the two groups of scrapers is fixedly installed at one end of the fixed frame.

[0010] By adopting the above technical solution, the setting of the two groups of scrapers enables them to move in opposite directions when driven by the reciprocating lead screw, better pushing the waste chips generated on the end face of the fixed frame for cleaning. The limiting rod will continuously restrict the two groups of scrapers to prevent them from rotating together with the reciprocating lead screw.

[0011] The present utility model is further configured such that a storage box is movably installed inside the fixed frame, and a discharge port for discharging materials is opened on the end face of the fixed frame. The discharge ports are symmetrically arranged in multiple groups.

[0012] By adopting the above technical solutions, the removably installed storage box enables workers to pull it out, facilitating better collection or cleaning of waste chips. The arrangement of multiple discharge openings allows it to cooperate with the scraper to collect and clean the waste chips on the end face of the fixing frame, ensuring the cleaning effect.

[0013] The present utility model is further configured such that one end of the second rotating shaft is fixedly installed with a ratchet wheel, one end of the workbench is fixedly installed with an extension block, and a connecting rod is movably installed inside the extension block. One end of the connecting rod is fixedly installed with a pawl that meshes with the ratchet wheel, and one end of the connecting rod is fixedly installed with a spring, and the extension block and the connecting rod are connected by the spring.

[0014] By adopting the above technical solutions, the fixedly installed ratchet wheel rotates together with the second rotating shaft. Due to its position relative to the ratchet wheel, the rotation direction of the second rotating shaft is restricted, providing certain fixation and support. This prevents the overall position of the metal door surface from shifting significantly during the grinding process of one side by the worker. The spring continuously exerts elastic force on the connecting rod, ensuring that the pawl continuously restricts the ratchet wheel.

[0015] The present utility model is further configured such that one end of the movable frame is fixedly installed with a limiting block, and a limiting groove matching the limiting block is formed inside the workbench. The limiting groove, the limiting block, the teeth, and the gear are all arranged in two groups symmetrically.

[0016] By adopting the above technical solutions, the cooperation between the limiting block and the limiting groove can effectively control the direction of the movable frame during movement without changing, improving its overall reliability. The two groups of symmetrically arranged limiting grooves, limiting blocks, teeth, and gears enable both sides to be driven simultaneously when the first rotating shaft rotates, ensuring the smooth displacement of the placement frame as a whole and effectively preventing it from shifting.

[0017] In summary, the present utility model mainly has the following beneficial effects:

[0018] The utility model is provided with components such as teeth, gears, movable frames, motors, scrapers and placing frames. When workers use this equipment, they can control the overall height of the placing frame by driving the motor to rotate forward or reversely, which helps workers quickly fix the metal door panel inside the placing frame, reduces the height that workers need to lift the whole, and can adjust the overall height of the placing frame according to the height and preference of the user, etc., improves the applicability of the equipment and reduces the working intensity of workers. After the grinding is completed and the whole is reset, the scraper is driven to move by the belt to collect the debris generated by grinding, which is convenient for workers to collect or clean it, improves the overall cleanliness of the workbench, saves the workers from manually cleaning it later, and at the same time, workers can adjust the overall position of the placing frame at any time by rotating the overall position of the second rotating shaft, which is convenient for workers to grind the whole metal door surface, improves the overall grinding efficiency, and effectively reduces the working intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 is a half-sectional view of the workbench of the utility model;

[0021] Figure 3 is a half-sectional view of the fixing frame of the utility model;

[0022] Figure 4 is a schematic diagram of the through hole of the utility model;

[0023] Figure 5 is a schematic diagram of the thread groove of the utility model

[0024] Figure 6 is of the utility model Figure 5 is an enlarged view of part A in the figure.

[0025] In the figure: 1, workbench; 2, motor; 3, first rotating shaft; 4, gear; 5, teeth; 6, movable frame; 7, limiting groove; 8, limiting block; 9, through hole; 10, belt; 11, fixing frame; 12, storage box; 13, reciprocating lead screw; 14, limiting rod; 15, scraper; 16, blanking port; 17, second rotating shaft; 18, placing frame; 19, threaded rod; 20, pressing plate; 21, thread groove; 22, ratchet; 23, extension block; 24, ratchet pawl; 25, connecting rod; 26, spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0027] Next, according to the overall structure of the present utility model, its embodiments will be described.

[0028] A pre-painting device for metal door production, as Figures 1-6 shown, includes a workbench 1. One end of the workbench 1 is fixedly installed with a motor 2, and one end of the motor 2 is fixedly installed with a first rotating shaft 3. One end of the first rotating shaft 3 is fixedly installed with a gear 4, and an activity frame 6 is movably installed inside the workbench 1. Teeth 5 meshing with the gear 4 are fixedly installed inside the activity frame 6. A second rotating shaft 17 is movably installed inside the activity frame 6, and one end of the second rotating shaft 17 is fixedly installed with a placement rack 18. A threaded rod 19 is movably installed inside the placement rack 18, and a threaded groove 21 matching the threaded rod 19 is opened inside the placement rack 18. One end of the threaded rod 19 is fixedly installed with a pressing plate 20. A cleaning component for collecting and cleaning waste is fixedly installed inside the workbench 1. When a worker uses this device, by starting the motor 2 to drive the first rotating shaft 3 to rotate, the overall height of the placement rack 18 is controlled, helping the worker more labor-savingly place the metal door surface inside the frame of the placement rack 18. After fixing, the overall position of the placement rack 18 can be adjusted according to the user's height or personal preference for grinding. While the first rotating shaft 3 is rotating, the reciprocating lead screw 13 is driven through the belt 10. The reciprocating lead screw 13 drives the scraper 15 to reset, pushing the waste chips on the end face of the fixed frame 11, and making them enter the storage box 12 through the material discharge port 16, facilitating the worker to collect or clean the waste chips.

[0029] Please refer to Figure 1 - Figure 4 As shown in FIGS. - [FIG. NUMBERS NOT PROVIDED IN THE ORIGINAL], the cleaning component includes a through hole 9, a belt 10, a fixed frame 11, a storage box 12, a reciprocating lead screw 13, a limiting rod 14, a scraper 15, and a material discharge port 16. One end of the workbench 1 is fixedly installed with a fixed frame 11, and the reciprocating lead screw 13 is movably installed inside the fixed frame 11. The belt 10 is sleeved outside the reciprocating lead screw 13, and the first rotating shaft 3 and the reciprocating lead screw 13 are connected through the belt 10. The workbench 1 provides support and fixation for the fixed frame 11. The movably installed reciprocating lead screw 13 enables it to rotate inside the fixed frame 11, thereby providing a power source for the subsequent movement of the scraper 15. The belt 10 connects the reciprocating lead screw 13 and the first rotating shaft 3 to drive it, eliminating the need to add a new power source to drive the reciprocating lead screw 13 to rotate.

[0030] Please refer to Figure 3 - Figure 4, Two sets of scraping plates 15 are movably installed at one end of the reciprocating screw rod 13, and the threads provided on the end face of the reciprocating screw rod 13 are respectively left-handed and right-handed. One end of the fixed frame 11 is fixedly installed with a limiting rod 14 for restricting the two sets of scraping plates 15. The arrangement of the two sets of scraping plates 15 enables them to move towards each other as a whole when driven by the reciprocating screw rod 13, better pushing the waste chips generated on the end face of the fixed frame 11 for cleaning. The limiting rod 14 will continuously restrict the two sets of scraping plates 15 to prevent them from rotating together with the reciprocating screw rod 13.

[0031] Please refer to Figure 1 - Figure 4 , A storage box 12 is movably installed inside the fixed frame 11, and a discharge opening 16 for discharging materials is provided on the end face of the fixed frame 11. The discharge openings 16 are arranged symmetrically in multiple groups. The movably installed storage box 12 enables workers to pull it out, better collecting or cleaning the waste chips. The arrangement of the multiple groups of discharge openings 16 enables them to cooperate with the scraping plates 15 to collect and clean the waste chips on the end face of the fixed frame 11, ensuring the cleaning effect.

[0032] Please refer to Figure 1 - Figure 6 , A ratchet wheel 22 is fixedly installed at one end of the second rotating shaft 17. One end of the workbench 1 is fixedly installed with an extension block 23, and a connecting rod 25 is movably installed inside the extension block 23. One end of the connecting rod 25 is fixedly installed with a pawl 24 that meshes with the ratchet wheel 22. One end of the connecting rod 25 is fixedly installed with a spring 26, and the extension block 23 and the connecting rod 25 are connected by the spring 26. The fixedly installed ratchet wheel 22 rotates together with the rotation of the second rotating shaft 17. By the position of the ratchet wheel 22, the rotation direction of the second rotating shaft 17 is restricted, providing a certain degree of fixation and support for it, preventing the overall position of the metal door surface from shifting greatly during the grinding process on one side by the worker. The spring 26 continuously exerts an elastic force on the connecting rod 25, thereby ensuring that the pawl 24 continuously restricts the ratchet wheel 22.

[0033] Please refer to Figure 1 - Figure 5 , A limiting block 8 is fixedly installed at one end of the movable frame 6, and a limiting groove 7 matching the limiting block 8 is provided inside the workbench 1. The limiting groove 7, the limiting block 8, the teeth 5, and the gear 4 are all arranged symmetrically in two groups. The cooperation between the limiting block 8 and the limiting groove 7 can effectively control the direction of the movable frame 6 during movement without changing, improving its overall reliability. The two sets of symmetrically arranged limiting grooves 7, limiting blocks 8, teeth 5, and gears 4 enable them to be driven simultaneously on both sides when the first rotating shaft 3 rotates, ensuring the smooth displacement of the entire placement rack 18 and effectively preventing it from shifting.

[0034] The working principle of the present utility model is as follows: When a worker uses this device, the motor 2 is started to drive the first rotating shaft 3 to rotate, controlling the overall height of the placement rack 18 to help the worker more labor-savingly place the metal door panel inside the frame of the placement rack 18. By rotating the threaded rod 19, the pressing plate 20 fixes and restricts the metal door panel. After completion of the fixation, the overall position of the placement rack 18 can be adjusted according to the user's height or personal preference for grinding. While the first rotating shaft 3 is rotating, the reciprocating lead screw 13 is driven by the belt 10 to move its overall position. The debris generated during the grinding process will fall on the end face of the fixing rack 11. After the worker finishes grinding one side of it, by rotating the second rotating shaft 17, the entire placement rack 18 can be driven to rotate. At the same time, components such as the ratchet 22, the pawl 24, and the spring 26 cooperate to restrict the entire second rotating shaft 17 to ensure that its position does not shift during the grinding process. After finishing the grinding of both ends of the metal door panel, the overall position of the placement rack 18 can be lowered through the motor 2, facilitating the worker to rotate the threaded rod 19 to release the restriction on the door panel for taking and installing it. While the first rotating shaft 3 is rotating, the reciprocating lead screw 13 drives the scraper 15 to reset, pushing the waste chips on the end face of the fixing rack 11, and making them enter the storage box 12 through the material discharge port 16, facilitating the worker to collect or clean them.

[0035] Although the embodiments of the present utility model have been shown and described, the specific embodiments are only explanations of the present utility model and not limitations thereof. The specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art can, without departing from the principles and purposes of the present utility model, make modifications, substitutions, and variations that do not contribute creatively to the embodiments as needed. However, as long as they are within the scope of the claims of the present utility model, they are protected by the patent law.

Claims

1. A pre-painting device for metal door production, comprising a workbench (1), characterized in that: One end of the workbench (1) is fixedly installed with a motor (2), and one end of the motor (2) is fixedly installed with a first rotating shaft (3). One end of the first rotating shaft (3) is fixedly installed with a gear (4). Inside the workbench (1), a movable frame (6) is movably installed. Inside the movable frame (6), teeth (5) meshing with the gear (4) are fixedly installed. Inside the movable frame (6), a second rotating shaft (17) is movably installed. One end of the second rotating shaft (17) is fixedly installed with a placing rack (18). Inside the placing rack (18), a threaded rod (19) is movably installed. Inside the placing rack (18), a thread groove (21) matching the threaded rod (19) is opened. One end of the threaded rod (19) is fixedly installed with a pressing plate (20). Inside the workbench (1), a cleaning assembly for collecting and cleaning waste is fixedly installed.

2. The pre-painting equipment for manufacturing metal doors according to claim 1, characterized in that: The cleaning assembly includes a through hole (9), a belt (10), a fixed frame (11), a storage box (12), a reciprocating lead screw (13), a limiting rod (14), a scraping plate (15), and a blanking port (16). One end of the workbench (1) is fixedly installed with a fixed frame (11). Inside the fixed frame (11), a reciprocating lead screw (13) is movably installed. The outside of the reciprocating lead screw (13) is sleeved with a belt (10). The first rotating shaft (3) and the reciprocating lead screw (13) are connected by the belt (10).

3. The pre-painting equipment for metal door production according to claim 2, wherein: Two groups of scraping plates (15) are movably installed at one end of the reciprocating lead screw (13). The threads arranged on the end face of the reciprocating lead screw (13) are respectively left-handed and right-handed. One end of the fixed frame (11) is fixedly installed with a limiting rod (14) for restricting the two groups of scraping plates (15).

4. The pre-painting equipment for manufacturing metal doors according to claim 3, characterized in that: Inside the fixed frame (11), a storage box (12) is movably installed. A blanking port (16) for discharging materials is opened on the end face of the fixed frame (11). The blanking ports (16) are symmetrically arranged in multiple groups.

5. The pre-painting equipment for metal door production according to claim 4, characterized in that: One end of the second rotating shaft (17) is fixedly installed with a ratchet wheel (22). One end of the workbench (1) is fixedly installed with an extension block (23). Inside the extension block (23), a connecting rod (25) is movably installed. One end of the connecting rod (25) is fixedly installed with a pawl (24) meshing with the ratchet wheel (22). One end of the connecting rod (25) is fixedly installed with a spring (26). The extension block (23) and the connecting rod (25) are connected by the spring (26).

6. The pre - painting equipment for manufacturing metal doors according to claim 5, characterized in that: One end of the movable frame (6) is fixedly installed with a limiting block (8). Inside the workbench (1), a limiting groove (7) matching the limiting block (8) is opened. The limiting groove (7), the limiting block (8), the teeth (5), and the gear (4) are all symmetrically arranged in two groups.